diff --git a/liteipc/src/liteipc_adapter.c b/liteipc/src/liteipc_adapter.c
index 19078676310107910590b3a1d960d4ed10828179..b3c13ccd9523d96178d32df47c542a6cb60ca448 100755
--- a/liteipc/src/liteipc_adapter.c
+++ b/liteipc/src/liteipc_adapter.c
@@ -31,12 +31,6 @@
 #include "utils_list.h"
 #include "securec.h"
 
-#ifdef __cplusplus
-#if __cplusplus
-extern "C" {
-#endif /* __cplusplus */
-#endif /* __cplusplus */
-
 #define ENABLE_IPC_CB_TIMER YES
 
 static IpcContext* g_context = NULL;
@@ -1024,10 +1018,4 @@ static void RemoveDeathCallback(uint32_t handle)
         }
     }
     pthread_mutex_unlock(&g_ipcCallbackCb.mutex);
-}
-
-#ifdef __cplusplus
-#if __cplusplus
-}
-#endif /* __cplusplus */
-#endif /* __cplusplus */
+}
\ No newline at end of file
diff --git a/liteipc/src/serializer.c b/liteipc/src/serializer.c
index c571547f83390331a667641b16770bdd81b0d6e0..17c393b4a97f0f90174d227471cac398aa38ae88 100755
--- a/liteipc/src/serializer.c
+++ b/liteipc/src/serializer.c
@@ -19,12 +19,6 @@
 #include "string.h"
 #include "liteipc.h"
 
-#ifdef __cplusplus
-#if __cplusplus
-extern "C" {
-#endif /* __cplusplus */
-#endif /* __cplusplus */
-
 #define MAX_IO_SIZE 2048UL
 #define MAX_OBJ_NUM 32UL
 #define MAX_DATA_BUFF_SIZE 65536UL
@@ -517,10 +511,4 @@ BuffPtr* IpcIoPopDataBuff(IpcIo* io)
     } else {
         return &(ptr->content.ptr);
     }
-}
-
-#ifdef __cplusplus
-#if __cplusplus
-}
-#endif /* __cplusplus */
-#endif /* __cplusplus */
+}
\ No newline at end of file